package cn.tedu.egweibo4.controller;

import cn.tedu.egweibo4.base.response.JsonResult;
import cn.tedu.egweibo4.base.response.StatusCode;
import cn.tedu.egweibo4.dto.UserLoginDTO;
import cn.tedu.egweibo4.dto.UserRegDto;
import cn.tedu.egweibo4.entity.User;
import cn.tedu.egweibo4.mapper.UserMapper;
import cn.tedu.egweibo4.vo.UserVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.Getter;
import lombok.Value;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import springfox.documentation.annotations.ApiIgnore;

import javax.servlet.http.HttpSession;
import java.util.Date;

@Slf4j
@Api(tags="01.用户模块")
@RestController
@RequestMapping("/v1/users/")
public class UserController {
    @Autowired
    private UserMapper userMapper;
    @PostMapping("reg")
    @ApiOperation(value = "注册功能")
    public JsonResult reg(@RequestBody UserRegDto userRegDto){
        String username=userRegDto.getUsername();
        log.debug("userRegDto="+userRegDto);
        UserVO userVO=userMapper.selectByUsername(username);
        if (userVO != null) {
            return new JsonResult(StatusCode.USERNAME_EXIST,null);
        }
        User user = new User();
        BeanUtils.copyProperties(userRegDto,user);
        user.setCreated(new Date());
         userMapper.insert(user);

        return JsonResult.ok();
    }
    @PostMapping("login")
    @ApiOperation(value="登录功能")
    public JsonResult login(@RequestBody UserLoginDTO userLoginDTO, @ApiIgnore HttpSession session){
        String username=userLoginDTO.getUsername();
        UserVO userVO=userMapper.selectByUsername(username);
        if(userVO==null){
            return new JsonResult(StatusCode.USERNAME_ERROR,null);
        }
        if (userLoginDTO.getPassword().equals(userVO.getPassword())) {
            session.getAttribute(username);
            return  JsonResult.ok();
        }
        return new JsonResult(StatusCode.PASSWORD_ERROR);

    }
    @ApiOperation(value = "获取当前用户功能")
    @GetMapping("currentUser")
    public JsonResult currentUser(@ApiIgnore HttpSession session){
        UserVO userVO=(UserVO) session.getAttribute("user");
        return JsonResult.ok(userVO);
    }
    @GetMapping("logout")
    @ApiOperation(value = "退出登录功能")
    public void logout(@ApiIgnore HttpSession session){
        session.removeAttribute("user");

    }

}
